Heat Treatment


When heat treating represents up to 10 percent of your manufacturing costs, can you afford not to optimize your process? Find your competitive edge with the right system, expert support and a reliable gas supply from Airgas, an Air Liquide company.

As a leading supplier of gases for the heat-treating industry, our extensive knowledge and engineering expertise will help provide a clean atmosphere for your processes and a safe environment for your workforce.

Turn to Airgas for a total solution to help heat up your business for a stronger future. We can help you:

  • Improve product quality
  • Boost productivity
  • Lower costs
  • Enhance workplace safety

End-to-end engineering

We'll evaluate your needs and establish a multi-faceted approach to optimizing your operation—allowing you to focus more on other aspects of your business. After determining the most effective gas combination for your process, we'll analyze, audit and support your heat-treating requirements to maximize your production investment.

We provide a total package of engineering support services, including:

  • System design and engineering
  • Complete turnkey operations
  • Flow trains, control panels and spare parts
  • System start-up and support
  • Operation/safety training and audits

View the chart below to see the gases we provide for your processes and some of the long-term benefits of doing business with Airgas.


Process Artificial Atmosphere Airgas Supplied Atmosphere Airgas Advantage
Carburizing / Carbonitriding Endothermic Gas Nitrogen / Methanol / Small Endo Generator Operational savings & improved process control
Hardening Endothermic Gas Nitrogen / Methanol Operational savings & improved process control
Annealing Exothermic / Endothermic Gas Nitrogen / Endo Generator Operational savings & improved process control
Nitriding / Nitrocarburizing --- Nitrogen / Ammonia / Carbon Carrying Gas Improved process control & higher product quality
Brazing Dissociated Ammonia Nitrogen / Hydrogen Higher product quality & improved process flexibility
Cryotreating Mechanical Cooling Liquid Nitrogen Operational savings & reduced maintenance

Discover what the right gases and a full-service offering can do to help you reduce gas consumption and turn up the heat on your profits.